cnn was provided with the invoice. it shows an itemized list of drugs that the charity values at $816,000, a huge gift in kind. but when the gift arrived in nep nepal, the charity receiving the drugs valued them for customs purposes at a mere $2,500. tidwell arpged the shipment. how can it be $816,000 here and $2,500 there? >> the value that's placed on something according to law is placed according to the exit market. it would be what you would have to pay for it i the place that it's exiting. and the -- the fact that they might be able to purchase similar medicines made in the backroom in nepal for a far lower price doesn't change the value of the medicines that are u.s. produced. >> but 816,000 versus 2,500? that seems crazy. >> that's outrageous. >> reporter: that didn't sound right so we cross-checked the bill of laiding against the international drug pricing guide, which values drugs for nonprofit donation. according to our calculation, the charity in nepal had it just about right. $2,600, each pill worth less th